Mailing List Cleanup Services

A clean, accurate and up-to-date mailing list is essential for successful marketing campaigns. Interloper, Inc.’s mailing list cleanup services are tailored to meet client’s specific business requirements, helping them target the right audience and maximize campaign results and return on investment (ROI). Our services relieve clients from the laborious task of managing and maintaining mailing lists that are huge and complex.


When you outsource your mailing list cleanup requirements to Interloper, Inc., our professionals work meticulously to audit the hygiene of your list and subsequently clean, enhance and optimize your data for increasing your marketing capability and moving your business forward. Our process involves identifying and purging bad, invalid, undeliverable and duplicate information from mailing lists to ensure that they are correct and up-to-date. Having access to advanced technology and tools, our experts clean out invalid addresses, de-duplicate entries, eliminate irrelevant records and flag addresses that are crucial for success of your marketing campaign.

Here’s how we help you maintain accurate and up-to-date mailing list:

When sending newsletters, press releases and other informative messages using bulk mail, you would certainly not wish to miss out even a single recipient. Through our high-quality mailing list cleanup services, we help you maintain a clean, updated list, thus lowering your bounce rate by increasing the number of delivered emails.

Our key offerings include:

Identifying missing entries and completing them: The first step is to find out missing addresses and complete them. Our experts scrutinize mailing lists and make sure that recipients name and contact details are complete and correct to the last detail.

De-duplicating records: To ensure that you do not end up sending emails to your customers more than once, our experts identify duplicates and match, merge and purge the data to make sure that your mailing lists are free of duplicate data.

Verifying and validating addresses: Our experts verify email addresses to ensure that your mailing list contains real and valid data.

Removing invalid addresses: Your prospects may have stopped using their email ids. So, we conduct multiple verification checks and remove addresses that are outdated or invalid.

Get the Interloper, Inc. advantage!

  • Accurate and up-to-date mailing lists
  • Round-the-clock customer and technical support
  • Complete data security and confidentiality
  • Advanced technology and tools
  • Cost-effective services
  • Quick turnaround time